Fixes flake https://github.com/coder/coder/runs/19639217635
AGPL coordinator used to process node updates for single_tailnet synchronously, but it's been refactored to process async, so in this test we need to wait for it to be processed.
* chore: add /v2 to import module path
go mod requires semantic versioning with versions greater than 1.x
This was a mechanical update by running:
```
go install github.com/marwan-at-work/mod/cmd/mod@latest
mod upgrade
```
Migrate generated files to import /v2
* Fix gen
